环状软骨后方平面对（  ）。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='27186' and id < 2253077 and id<>'2253077' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='27186' and id > 2253077 and id<>'2253077' order by id asc limit 5